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TPA2050D4YZKR from TI,Texas Instruments

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TPA2050D4YZKR

Manufacturer: TI

1.4-W/Ch 2-Input Audio Subsystem with Stereo Class-D and DirectPath&#153 Headphone Amplifier 25-DSBGA -40 to 85

Partnumber Manufacturer Quantity Availability
TPA2050D4YZKR TI 1394 In Stock

Description and Introduction

1.4-W/Ch 2-Input Audio Subsystem with Stereo Class-D and DirectPath&#153 Headphone Amplifier 25-DSBGA -40 to 85 The TPA2050D4YZKR is a Class-D audio amplifier manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Power:** 2.8W per channel into 4Ω at 5V (10% THD+N)  
- **Number of Channels:** 4 (Quad)  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Efficiency:** Up to 90% (Class-D operation)  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (1W into 4Ω)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** DSBGA (30-pin, 2.5mm x 2.5mm)  

### **Descriptions:**  
The TPA2050D4YZKR is a low-power, high-efficiency Class-D audio amplifier designed for portable applications. It features a differential input, integrated depop circuitry, and thermal protection.  

### **Features:**  
- **Filterless Operation:** Eliminates the need for external LC filters.  
- **Pop & Click Suppression:** Reduces audible noise during power-up/down.  
- **Low Quiescent Current:** 4mA (typical) for power efficiency.  
- **Short-Circuit & Thermal Protection:** Enhances reliability.  
- **I²C Control Interface:** Allows volume and shutdown control.  
- **Small Footprint:** Suitable for space-constrained designs.  

This amplifier is commonly used in smartphones, tablets, and portable media devices.

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